Finding the Fourth Proportional to 142,937.91, 214,362.95 and 98,847.99
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Solution
The fourth proportional to 142,937.91, 214,362.95 and 98,847.99 is: 148,241.61
Step by Step Solution
- Step 1: Write the proportion equation
142,937.91 : 214,362.95 = 98,847.99 : x - Step 2: Convert to fraction form
142,937.91/214,362.95 = 98,847.99/x - Step 3: Cross multiply
142,937.91x = 214,362.95 × 98,847.99 - Step 4: Simplify right side
142,937.91x = 21,189,346,243.73 - Step 5: Solve for x
x = 21,189,346,243.73/142,937.91 - Step 6: Final answer
x = 148,241.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.